Broken Thumb

Prospect in Dolores county in Colorado, United States with commodities Uranium, Vanadium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10142407
MRDS ID D002206
MAS/MILS ID 0080330019
Record type Site
Current site name Broken Thumb
Related records 10009304

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -108.57646, 37.7689 (WGS84)
Elevation 2288

Site location context

Political divisions (FIPS codes)

Dolores(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glade Mountain(quadrangle 1:24,000 scale)

Dove Creek(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Dolores(hydrologic unit)

Upper Colorado-Dolores(hydrologic accounting unit)

Upper Colorado-Dolores(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Dolores

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 041 N 017 W 19 Colorado

Commodities

Commodity Importance
Uranium Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Carnotite Unknown
Tyuyamunite Unknown
Uraninite Unknown

Nearby scientific data

Ore Body (1) -108.57646, 37.7689

Economic information

Ore body information

  • Thickness 0.2M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 BLEACHING
    Date of Last Modification 780921

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1953

Mining district

District name Uravan

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    CRIB NO. DC02436

  • Deposit

    OWN/OP: J.L. & E.B. BYERS, W.W. BYERS

General comments

Subject category Comment text
Deposit INFORMATION SOURCE: DMEA REPORT, DOCKET NO. 3211. DATE OF DM ORT IS 1953. AT THE TIME OF THE DMEA REPORT, THE MINE OWNERS J.L., E.B., W.W. BYERS AND J.H. NELSON. MILLING FACILITIES A MONTICELLO, UTAH--A DISTANCE OF 35 MILES. INCLUDED IN THE DM ORT ARE LOCATION AND GEOLOGY MAPS. AT THE TIME OF THE DMEA R NO PRODUCTION HAD OCCURRED AT THE MINE, WHICH CAN BE VIEWED 7-1/2 MINUTE MAP, SECRET CANYON. THE CLAIMS ARE IN THE SLICK MINING DISTRICT. THE DMEA REPORT CONCLUDED THAT THE CLAIMS S LITTLE OR NO PROMISE OF CONTAINING A SIGNIFICANT DEPOSIT OF ORE AND RECOMMENDED THAT ASSISTANCE BE DENIED.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Minecom U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.